MAHLE S42140 PISTON RING SET (STD) FOR 2007.5-2018 CUMMINS 6.7L ENGINE

• Direct OEM Replacement:

  The S42140 is designed to be a perfect fit and replacement for the original piston rings in the specified 6.7L Cummins engines. 

   
• OE Quality Materials:

  MAHLE uses high-quality materials and manufacturing processes to ensure the rings meet OE standards for performance and reliability. 

   
• Advanced Technology:

  MAHLE's piston ring technology reduces friction and minimizes ring mass, leading to improved engine performance and reduced oil consumption. 

   
• Extended Service Life:

  The S42140 is engineered for durability and long-lasting performance, helping to prevent wear and tear on the engine. 

   
• Easy Installation:

  These rings are designed for ease of installation, with no special tools or break-in periods required. 

   
• Improved Compression:

  The design of the compression rings helps to maintain and improve engine compression, leading to smoother and more efficient operation. 

   
• Minimized Blow-by:

  The S42140 rings minimize blow-by, helping to reduce the amount of combustion gases escaping the cylinder. 

   

• 2007.5-2018 Dodge 6.7L 24V Cummins engines
• Ram 2500, 3500, 4500, and 5500 models 

Vehicle Fitment

The MAHLE S42140 piston ring set is compatible with the following vehicles:

Note: This piston ring set is for a single cylinder. For a complete engine rebuild, multiple sets are required.

?️ Specifications

• Bore Size: 4.2126" (107.4 mm)

• Oversize: Standard

• Top Ring Material: Ductile Iron

• Second Ring Material: Cast Iron

• Oil Ring Assembly Material: Cast Iron

• Top Ring Facing: Plasma-Moly

• Second Ring Facing: Chrome

• Oil Ring Facing: Chrome

• Top Ring Axial Height: 0.113" (2.87 mm)

• Second Ring Axial Height: 0.0984" (2.5 mm)

• Oil Ring Axial Height: 0.1356" (3.45 mm)